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VG910 SERIES

FIBER OPTIC GYROSCOPES

Information Guide

Output

Model Name

Key Features

Main

Extension

differential

VG910H

Low noise and durable, 500 g

Extremely robust, 1200 g

125C

Operating at +125°C

single-ended

VG910F

Built-in bias calibration

Highly reliable and robust

Enhanced performance

digital

VG910D

RS232 / RS422

Содержание VG910 series

Страница 1: ...odel Name Key Features Main Extension differential VG910H Low noise and durable 500 g 1 Extremely robust 1200 g 125C Operating at 125 C single ended VG910F Built in bias calibration 1 Highly reliable...

Страница 2: ...nes 9 2 2 Cable Routing 9 3 Open loop Fiber Optic Gyroscope 9 3 1 Principle of Operation 9 3 2 Embedded Design 9 3 3 Analog Electronics Board 11 3 4 Analog Output U SF 11 4 Typical Test Data 12 4 1 Te...

Страница 3: ...duct Description The series features robust and reliable design coupled with a choice of outputs differential single ended digital The wide range of models includes extra durable gyros superior bias p...

Страница 4: ...g h 2 V Hz Bias stability RMS Bias repeatability RMS 2 deg h SF stability RMS SF repeatability RMS 0 01 0 02 Readiness time 20 ms PHYSICAL PARAMETERS Dimensions refer to the Outline drawing Dissipatio...

Страница 5: ...haracteristics The FOG measures rotation using precise optical filtering and synchronous detection at 75kHz modulation frequency It requires a clean and stable low noise 5Vdc power source or battery s...

Страница 6: ...A Fiber Optic Gyroscopes VG910 series Information Guide Version 8 of 25 05 2018 Page 6 of 20 VG910D Output Connector Description VG910D Connection Diagram Electrical diagrams of the 910 series analog...

Страница 7: ...www fizoptika com FIZOPTIKA Fiber Optic Gyroscopes VG910 series Information Guide Version 8 of 25 05 2018 Page 7 of 20 VG910H Electrical Diagram VG910F Electrical Diagram...

Страница 8: ...00kOhm referred to ground The amplifier should also have a good common mode rejection and a suitable bandwidth for the application The gyro bandwidth 1 kHz is formed by 2nd order LPF Diagnostics Gyro...

Страница 9: ...ght so that photons travel simultaneously in clockwise and counterclockwise directions through the fiber The FOG provides extremely precise rotational rate information in part because of its lack of s...

Страница 10: ...www fizoptika com FIZOPTIKA Fiber Optic Gyroscopes VG910 series Information Guide Version 8 of 25 05 2018 Page 10 of 20 VG910H Assembly Drawing VG910F Assembly Drawing...

Страница 11: ...open loop configuration the FOG responds to rotation instantly 0 2ms Furthermore it does not have weak points bias jumps day to day change cross axis errors dead zones g g2 components transients etc i...

Страница 12: ...ovided 4 1 Test data for VG910H Allan Variance Plot Main Parameters Bias SF Current vs Temperature Output Components AC DC vs SINE Vibration 2 g normalized Shock Test Record Y Direction 690g x 1 3ms M...

Страница 13: ...ent vs Temperature 70 Day Repeatability Test 2 C 1 h power off 3 s warm up Summary rms SF 0 05 Bias 0 6 deg h Magnetic Sensitivity V Gauss Gx along the gyro sensitivity axis non Faraday component Gy G...

Страница 14: ...he optical components and electronics design give the VG910H125C a capability to operate at up to 125 C However this capability is at the expense of a certain downgrade of ARW and bias compared to the...

Страница 15: ...advanced vibration shock durability Specific product features Weight 155 gram Vibration 30 g RMS 20 Hz 2000 Hz Shocks 1200 g 1 ms Shock Test Record Z Direction 1300g x 0 85ms Shock Profile and Gyro C...

Страница 16: ...ended models 5 2 1 VG910F LN with Enhanced Noise and Bias Performance In the VG910F LN noise and bias drift are improved due to significantly increased length of fiber coil Specific product features...

Страница 17: ...ion of mechanical and electrical stresses in its design Specific product features ARW 0 02 deg h Vibration RMS 18 g 20 Hz 2000 Hz Shocks 450g 3 ms MTBF 95000 hours 20 C Weight 155 gram Reliability tes...

Страница 18: ...includes rotation rate fast data internal temperature and consumption current slow data Start up is 1 sec The digital output is noise immune compared to the analog output when the microvolt signal is...

Страница 19: ...ing Soldering to contacts by low temperature solder 7 Product Page Quick Links Documentation Data Sheets o VG910H o VG910H125C o VG910D o VG910H1 o VG910F o VG910F LN o VG910F1 Info Notes o Fiber Opti...

Страница 20: ...iness time ms 20 50 Weight gram 120 155 Approx 0 05 C individually calibrated Day to day repeatability at fixed temperature Common and Extended Values PARAMETER ALL MODELS MODELS WITH EXTENDED RANGE D...

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